studentsmanagingsystem/main.cpp at main · jamikdev/studentsmanagingsystem · GitHub

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#include <iostream>
#include <vector>
#include "Students.h"
#include "functions.h"

using namespace std;

int main()
{
    vector<Student> students;
    int choice;

    // Load existing data
    loadFromFile(students);

    do
    {
        showMenu();
        cin >> choice;

        switch (choice)
        {
        case 1:
            addStudent(students);
            break;
        case 2:
            displayAllStudents(students);
            break;
        case 3:
            searchStudent(students);
            break;
        case 4:
            deleteStudent(students);
            break;
        case 5:
        {
            double avg = calculateAverage(students);
            cout << "Average grade: " << avg << endl;
            break;
        }
        case 6:
            saveToFile(students);
            break;
        case 7:
            loadFromFile(students);
            break;
        case 0:
            cout << "Goodbye!\n";
            break;
        default:
            cout << "Invalid choice!\n";
        }
    } while (choice != 0);

    // Auto-save on exit
    saveToFile(students);

    return 0;
}